modified:   app/models/dailypost.rb
	modified:   app/views/api/dailyposts/show.json.rabl
	modified:   config/routes.rb
	modified:   app/controllers/home_controller.rb
	modified:   app/models/dailypost.rb
	modified:   readme.md
check sign_in
share 分享
database.yml 密码修改
照片分享接口完成，创建share和share_context model,share是记录分享记录的，share_context是编辑分享内容和apk下载地址
Merge branch 'share'
把按钮名称改为share